package com.sdau.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.sdau.reggie.common.R;
import com.sdau.reggie.entity.Category;
import com.sdau.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category: {}", category);
        categoryService.save(category);
        return R.success("新增分类成功");

    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //进行分页查询
        categoryService.page(pageInfo, queryWrapper);

        return R.success(pageInfo);
    }


    /**
     * 根据id删除分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        log.info("删除分类，id为: {}", id);

        categoryService.remove(id); //自己写的

        return R.success("分类信息删除成功");
    }


    /**
     * 根据id修改分类信息
     *
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息: {}", category);

        categoryService.updateById(category);

        return R.success("修改分类信息成功");
    }


    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加条件
        lqw.eq(category.getType() != null, Category::getType, category.getType());

        //添加排序条件-----先按sort升序，相同情况下按更新时间降序排
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lqw);
        //System.out.println(list);
        return R.success(list);

    }


}
